Hawaii earthquakes

M2.1 earthquake 6 km SSW of Volcano, Hawaii

A magnitude 2.1 earthquake struck 6 km SSW of Volcano, Hawaii on Tue, Oct 21, 1986, 6:23 AM HST (16:23 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.1 10 km SSE of Volcano, Hawaii. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
1986-10-21 16:23:25 UTC
Depth
2.0 km (1.3 mi), shallow
Epicenter
19.396° N, 155.264° W
Region
Hawaii
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
107°
Stations used
17

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.110 km SSE of Volcano, Hawaii · 14559 days ago · 7 km deep · 7 km away
  2. 2.014 km SSE of Fern Forest, Hawaii · 14559 days ago · 7 km deep · 21 km away
  3. 2.017 km W of Volcano, Hawaii · 14559 days ago · 5 km deep · 16 km away
  4. 2.024 km W of Volcano, Hawaii · 14559 days ago · 8 km deep · 22 km away
  5. 1.911 km SSW of Pa‘auilo, Hawaii · 14558 days ago · 10 km deep · 62 km away
  6. 2.212 km E of P?hala, Hawaii · 14558 days ago · 45 km deep · 24 km away
  7. 2.113 km SW of Leilani Estates, Hawaii · 14558 days ago · 6 km deep · 27 km away
  8. 2.522 km W of Volcano, Hawaii · 14557 days ago · 6 km deep · 20 km away
  9. 1.910 km NNE of P?hala, Hawaii · 14557 days ago · 8 km deep · 23 km away
  10. 1.611 km SW of Leilani Estates, Hawaii · 14557 days ago · 7 km deep · 28 km away
  11. 2.09 km S of Volcano, Hawaii · 14557 days ago · 29 km deep · 5 km away
  12. 2.520 km SE of Waimea, Hawaii · 14556 days ago · 9 km deep · 62 km away
  13. 4.011 km S of Volcano, Hawaii · 14556 days ago · 8 km deep · 8 km away
  14. 1.715 km SSW of Volcano, Hawaii · 14555 days ago · 28 km deep · 9 km away
  15. 2.720 km S of Fern Forest, Hawaii · 14555 days ago · 42 km deep · 20 km away
  16. 1.56 km SSW of Volcano, Hawaii · 14555 days ago · 2 km deep · 1 km away
  17. 2.821 km N of P?hala, Hawaii · 14555 days ago · 7 km deep · 24 km away
  18. 2.112 km ESE of Waimea, Hawaii · 14555 days ago · 10 km deep · 72 km away
  19. 2.417 km NNE of Honoka‘a, Hawaii · 14555 days ago · 61 km deep · 92 km away
  20. 1.84 km SW of Volcano, Hawaii · 14554 days ago · 8 km deep · 2 km away
  21. 2.019 km N of P?hala, Hawaii · 14554 days ago · 8 km deep · 20 km away
  22. 2.213 km N of P?hala, Hawaii · 14554 days ago · 9 km deep · 26 km away
  23. 2.57 km NNW of Volcano, Hawaii · 14554 days ago · 30 km deep · 13 km away
  24. 2.06 km SSE of Volcano, Hawaii · 14554 days ago · 3 km deep · 5 km away
  25. 2.13 km WSW of Volcano, Hawaii · 14554 days ago · 13 km deep · 3 km away
  26. 2.07 km SW of Volcano, Hawaii · 14554 days ago · 9 km deep · 2 km away
  27. 2.14 km SW of Volcano, Hawaii · 14554 days ago · 12 km deep · 2 km away
  28. 2.22 km SW of Volcano, Hawaii · 14554 days ago · 15 km deep · 4 km away
  29. 2.22 km WSW of Volcano, Hawaii · 14554 days ago · 12 km deep · 4 km away
  30. 1.83 km W of Volcano, Hawaii · 14554 days ago · 11 km deep · 6 km away
  31. 2.22 km W of Volcano, Hawaii · 14554 days ago · 14 km deep · 5 km away
  32. 1.63 km WSW of Volcano, Hawaii · 14554 days ago · 1 km deep · 5 km away
  33. 2.1Island of Hawaii, Hawaii · 14554 days ago · 9 km deep · 3 km away
  34. 2.04 km SSW of Volcano, Hawaii · 14553 days ago · 14 km deep · 2 km away
  35. 2.13 km SSE of Volcano, Hawaii · 14553 days ago · 14 km deep · 5 km away
  36. 2.03 km SW of Volcano, Hawaii · 14553 days ago · 10 km deep · 4 km away
  37. 2.012 km SSE of Volcano, Hawaii · 14553 days ago · 7 km deep · 11 km away
  38. 2.04 km WSW of Volcano, Hawaii · 14553 days ago · 9 km deep · 3 km away
  39. 2.39 km W of Volcano, Hawaii · 14553 days ago · 7 km deep · 8 km away
  40. 1.64 km W of P?hala, Hawaii · 14553 days ago · 8 km deep · 34 km away
  41. 1.87 km SSW of Volcano, Hawaii · 14552 days ago · 10 km deep · 2 km away
  42. 2.04 km S of Volcano, Hawaii · 14552 days ago · 12 km deep · 4 km away
  43. 2.310 km SW of Volcano, Hawaii · 14552 days ago · 14 km deep · 4 km away
  44. 2.08 km SW of Volcano, Hawaii · 14552 days ago · 10 km deep · 3 km away
  45. 1.614 km S of Volcano, Hawaii · 14552 days ago · 6 km deep · 11 km away
  46. 3.116 km S of Fern Forest, Hawaii · 14552 days ago · 9 km deep · 16 km away
  47. 1.911 km SSE of Honaunau-Napoopoo, Hawaii · 14551 days ago · 7 km deep · 58 km away
  48. 2.515 km S of Fern Forest, Hawaii · 14551 days ago · 7 km deep · 15 km away
  49. 2.18 km WSW of Volcano, Hawaii · 14551 days ago · 13 km deep · 6 km away
  50. 2.33 km NW of Volcano, Hawaii · 14551 days ago · 16 km deep · 8 km away
  51. 1.816 km S of Fern Forest, HI · 14550 days ago · 6 km deep · 17 km away
  52. 1.68 km NNE of P?hala, Hawaii · 14550 days ago · 10 km deep · 24 km away
  53. 2.025 km N of P?hala, Hawaii · 14550 days ago · 8 km deep · 23 km away
  54. 1.817 km NNE of P?hala, Hawaii · 14549 days ago · 10 km deep · 18 km away
  55. 2.126 km W of Volcano, Hawaii · 14548 days ago · 8 km deep · 24 km away
  56. 2.06 km SSW of Fern Forest, Hawaii · 14548 days ago · 12 km deep · 11 km away
  57. 1.515 km N of P?hala, Hawaii · 14547 days ago · 3 km deep · 24 km away
  58. 2.09 km N of Naalehu, Hawaii · 14547 days ago · 6 km deep · 42 km away
  59. 2.09 km N of Naalehu, Hawaii · 14547 days ago · 6 km deep · 42 km away
  60. 2.715 km S of Waikoloa, Hawaii · 14546 days ago · 19 km deep · 70 km away

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv224721. Read Tue, Sep 22, 2026, 9:59 AM UTC.